通过全省第二次土壤普查,初步摸清了我省棕壤主要分布在胶东半岛、鲁中南山丘地区,耕地面积约2000万亩,是省内三大土类之一。为了将土壤普查成果尽快应用于农业生产,更好地为农业生产服务。我们根据全国统一试验方案的要求,于1982年秋开展了棕壤土养分丰缺指标的研究。一、试验设计和方法本试验安排在青岛市和胶南县进行,选 Through the province’s second soil survey, initially found out that the brown soil in our province are mainly distributed in the Jiaodong Peninsula, Lu central and southern hills, arable land area of ​​about 2000 acres, is one of the three major soil types in the province. In order to apply the results of the soil survey to agricultural production as soon as possible, we should better serve agricultural production. In accordance with the requirements of the national unified experimental plan, we conducted a study on the indicators of nutrient deficit and brown-up in brown soil in the autumn of 1982. First, the experimental design and methods The test arrangements in Qingdao and Jiaonan County, selected